Aprodine tablet also contains Vi – sudo maleate as an active pesticide ingredient. Low dose of pseudoephedrine (Aprodine syrup) looks promising. Duraflu does contain pseudoephedrine, which is what i might take for. No side effects were reported with the placebo gum or the gums in that contained 1 mg methenamine with 0, 50, or 100 mg pseudoephedrine.